{"product_id":"kooks-1997-2004-c5-corvette-header-x-pipe-kits-f8e4b91c","title":"Kooks Corvette C5 Emissions-Fitting Header and X-Pipe Kits (1997-2000)","description":"\u003ch2\u003eUpgrade your early C5 with headers made for its fittings\u003c\/h2\u003e\u003cp\u003eGive your early C5 a matched long tube header and X-pipe upgrade while choosing the header version with emissions fittings. These kits use 1-7\/8\" primaries and a 2-1\/2\" OEM rear connection, with a choice of Performance or GREEN cats.\u003c\/p\u003e\u003cp\u003eSKUs: 2151H420, 2151H430\u003c\/p\u003e\u003ch2\u003eChoose the early-car header version\u003c\/h2\u003e\u003cp\u003eThe emissions fittings distinguish these packages from the C5 kits supplied without them. Both kits pair the 1-7\/8\" headers with their matching X-pipe and join the factory-style rear exhaust. The supported range for these exact two SKUs is 1997-2000.\u003c\/p\u003e\u003ch2\u003ePlan for your engine, including later modifications\u003c\/h2\u003e\u003cp\u003ePerformance cats are for naturally aspirated applications. GREEN is the catted choice here that supports forced induction. If a supercharger is already fitted or part of the plan, choose the catalyst for that completed engine rather than buying around the original factory specification.\u003c\/p\u003e\u003ch2\u003eChoose your configuration\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"variant-comparison\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eConfiguration\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eSupplied arrangement\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting \/ engine conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2151H420\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: Performance Cats; Includes Emissions Fittings: Yes (1997-2000)\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; Performance Cats front connections\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2151H430\u003c\/td\u003e\n\u003ctd\u003eHeader Size: 1-7\/8\"; Cat Type: GREEN Cats; Includes Emissions Fittings: Yes (1997-2000)\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" headers; GREEN Cats front connections\u003c\/td\u003e\n\u003ctd\u003eUse the SKU-specific vehicle rows below\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTuning for your exhaust upgrade\u003c\/h2\u003e\u003cp\u003eWe recommend tuning with every header installation so the calibration suits your new headers, complete exhaust and fuel. \u003ca href=\"https:\/\/hooniesadrenaline.co.uk\/pages\/contact\"\u003eContact us\u003c\/a\u003e to discuss the right tuning route for your vehicle.\u003c\/p\u003e\u003ch2\u003eVehicle fitment\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"vehicle-fitment\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eYears\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eVehicle \/ trim\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eEngine\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eApplicable SKU\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eFitting conditions\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1997-2000\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Base\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2151H420, 2151H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1998\u003c\/td\u003e\n\u003ctd\u003eChevrolet Corvette Indianapolis 500 Pace Car\u003c\/td\u003e\n\u003ctd\u003e5.7L V8\u003c\/td\u003e\n\u003ctd\u003e2151H420, 2151H430\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cdiv class=\"table-scroll\"\u003e\u003ctable class=\"technical-specifications\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth scope=\"col\"\u003eSpecification\u003c\/th\u003e\n\u003cth scope=\"col\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKUs\u003c\/td\u003e\n\u003ctd\u003e2151H420, 2151H430\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003e1997-2000 Corvette C5 5.7L\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeaders\u003c\/td\u003e\n\u003ctd\u003e1-7\/8\" primaries; 3\" collectors; emissions fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCrossover\u003c\/td\u003e\n\u003ctd\u003eSupplied X-pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear interface\u003c\/td\u003e\n\u003ctd\u003e2-1\/2\" OEM-style exhaust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChoices\u003c\/td\u003e\n\u003ctd\u003e2151H420 Performance; 2151H430 GREEN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePerformance use\u003c\/td\u003e\n\u003ctd\u003eNaturally aspirated only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003ch3\u003eWhat is different about these C5 kits?\u003c\/h3\u003e\u003cp\u003eTheir headers include the emissions fittings for the supported 1997-2000 application.\u003c\/p\u003e\u003ch3\u003eDo they connect to the original rear exhaust?\u003c\/h3\u003e\u003cp\u003eThey use the 2-1\/2\" OEM-style rear interface.\u003c\/p\u003e\u003ch2\u003eIntended use\u003c\/h2\u003e\u003cp\u003e2151H420: Competition, off-road and track use only. Not for use on public roads.\u003c\/p\u003e\u003ch2\u003eOrdering and delivery\u003c\/h2\u003e\u003cp\u003eEstimated lead time is 4-6 weeks. Delivery may be faster depending on stock levels. Shipping is charged separately.\u003c\/p\u003e","brand":"Kooks","offers":[{"title":"1-7\/8\" \/ Performance Cats \/ Yes (1997-2000)","offer_id":55646887641430,"sku":"2151H420","price":3642.46,"currency_code":"GBP","in_stock":true},{"title":"1-7\/8\" \/ GREEN Cats \/ Yes (1997-2000)","offer_id":55646887674198,"sku":"2151H430","price":4210.45,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0952\/1849\/9926\/files\/4b2203dadef8ff2701713bae34f557c9_7b5f9661-8997-459f-88e2-fcabfedf6054.jpg?v=1791452449","url":"https:\/\/hooniesadrenaline.co.uk\/products\/kooks-1997-2004-c5-corvette-header-x-pipe-kits-f8e4b91c","provider":"Hoonies Adrenaline","version":"1.0","type":"link"}